Huambo weather in September

In September, Huambo sees average daytime highs of 29°C and overnight lows near 14°C, with 23 mm of rain across 3.8 wet days and about 11.9 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 50% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Huambo's 5th-clearest and 4th-windiest month. For the whole year in context, see Huambo's year-round climate.

Daytime high
29°
1st warmest
Overnight low
14°
6th coldest
Rainfall
23 mm
3.8 wet days
Daylight
11 h 54 min
5:53 AM – 5:49 PM
Cloud cover
39%
5th clearest
Wind
8 km/h
4th windiest
Solar energy
6.49 kWh/m²
Travel score
6.6
out of 10

Huambo is city in Angola.

Density
228/km²
people per km²
Founded
1912

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Huambo reaches about 29°C in the afternoon and slips back to 14°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12914
22914
32914
42914
52914
62914
72914
82914
92914
102914
112914
122914
132914
142914
152914
162915
172915
182915
192915
202915
212915
222915
232915
242915
252915
262915
272915
282915
292915
302915

Huambo weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 15°20620.712.75.0
Feb24° / 15°16818.112.45.1
Mar24° / 15°18723.112.14.7
Apr24° / 14°6711.911.76.5
May25° / 12°4111.48.9
Jun25° / 10°0011.39.6
Jul25° / 10°0011.39.4
Aug28° / 12°10.211.68.3
Sep29° / 14°233.811.96.6
Oct27° / 16°13618.712.35.1
Nov25° / 15°21624.612.64.3
Dec24° / 15°22223.512.74.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 29% of September, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18515
28515
38515
48416
58416
68416
78416
88317
98218
108218
118218
128218
138119
148119
158119
168020
178020
187921
197921
207723
217723
227723
237525
247525
257525
267327
277327
287129
297030
306931

Chance of precipitation in September

Any precipitation

Huambo gets around 23 mm of rain over 3.8 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 13% and peaks near 30% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
12
22
32
43
53
63
74
85
95
106
117
128
139
1410
1511
1612
1713
1814
1915
2017
2118
2219
2321
2422
2523
2624
2726
2827
2928
3030

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59820
69820
79820
89730
99730
109640
119640
129550
139460
149370
159280
169190
1790100
1889110
1987130
2086140
2185150
2283170
2382180
2479201
2578211
2676231
2774242
2872262
2970273
3068284

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 48 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over September. Sunrise moves from 6:04 AM to 5:43 AM, and sunset from 5:49 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:045:49
211.86:045:49
311.86:035:49
411.86:025:49
511.86:015:49
611.86:015:49
711.86:005:49
811.85:595:49
911.85:595:49
1011.95:585:49
1111.95:575:49
1211.95:565:49
1311.95:565:49
1411.95:555:49
1511.95:545:49
1611.95:535:49
1711.95:535:49
1812.05:525:49
1912.05:515:49
2012.05:515:49
2112.05:505:49
2212.05:495:49
2312.05:485:49
2412.05:485:49
2512.05:475:49
2612.15:465:49
2712.15:455:49
2812.15:455:49
2912.15:445:49
3012.15:435:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.49 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 5.44 kWh/m² to a high of 6.49 kWh/m² in September across the year — September's 6.49 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
Planning a trip in September

Hazard calendar for Huambo

In seasonPeak

None of Huambo's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Huambo's monsoon runs October–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Huambo?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.6
Sightseeing
5th-best month of the year
8.3
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Huambo for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Huambo in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Huambo sees daytime highs around 29°C and nights near 14°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Huambo in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Huambo peaks around January 18 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 18UV 17Jul 15UV 9
UV index (midday)Level
Jan17Extreme
Feb15Extreme
Mar16Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul9Very high
Aug10Very high
Sep11Extreme
Oct13Extreme
Nov14Extreme
Dec14Extreme

Air quality in Huambo in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Huambo is worst in July — around 88 µg/m³ PM2.5 (unhealthy), about 8.7× the cleanest month (January, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateGoodJul 2387 µg/m³Jan 1110 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar13Moderate
Apr14Moderate
May26Moderate
Jun60Unhealthy
Jul88Unhealthy
Aug85Unhealthy
Sep44Poor
Oct21Moderate
Nov12Moderate
Dec10Good
Location & terrain

Where is Huambo?

Huambo sits at 12.8°S, 15.7°E, 1,716 m above sea level, in Angola. The nearest listed city is Caála, 21 km away.

Topography around Huambo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Huambo.

Within 3 km, the terrain around Huambo has only modest variations in elevation — a maximum elevation change of 117 m around an average of 1,688 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 385 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,313 m.

The land around Huambo is covered by artificial surfaces (76%) within 3 km, cropland (45%) and grassland (27%) within 16 km, and grassland (36%), cropland (29%) and shrubs (22%) within 80 km.

3 km
117 m
16 km
385 m
80 km
1,313 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Caála 21 km · Ecunna 28 km · Longonjo 55 km · Catchiungo 58 km · Alto Hama 64 km · Chinguar 69 km · Londuimbali 75 km · Ucuma 76 km

Angola travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$3,129
2025
Happiness
3.8 / 10
World Happiness, 2017
Homicide rate
4.1
per 100k, 2016
Road deaths
26.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 413
Religion
Roman Catholic 41%Protestant 38%none 12%other 9%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Huambo (-12.7761°, 15.7392°, elevation 1,716 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).